feat(helm): Grafana dashboard using configmap and Grafana Operator (#213

)

Signed-off-by: Nicolas Lamirault <nicolas.lamirault@gmail.com>

charts/dragonfly-operator/dashboards/grafana-dashboard.json

@@ -0,0 +1 @@
+../../../monitoring/grafana-dashboard.json

charts/dragonfly-operator/templates/grafanadashboards.yaml

@@ -0,0 +1,47 @@
+{{ if .Values.grafanaDashboard.enabled -}}
+{{- $files := .Files.Glob "dashboards/*.json" }}
+{{- if $files }}
+---
+apiVersion: v1
+kind: ConfigMapList
+items:
+{{- range $path, $fileContents := $files }}
+{{- $dashboardName := regexReplaceAll "(^.*/)(.*)\\.json$" $path "${2}" | lower }}
+- apiVersion: v1
+  kind: ConfigMap
+  metadata:
+    annotations:
+      {{ $.Values.grafanaDashboard.annotations.name }}: {{ $.Values.grafanaDashboard.folder }}
+    labels:
+      {{ $.Values.grafanaDashboard.labels.name }}: {{ $dashboardName }}
+      {{- include "dragonfly-operator.labels" $ | nindent 6 }}
+      app.kubernetes.io/component: dashboard
+    name: {{ printf "dashboard-dragonfly-operator-%s" $dashboardName | trunc 63 | trimSuffix "-"  }}
+  data:
+    {{ $dashboardName }}.json: |-
+{{ $.Files.Get $path | indent 6}}
+{{- end }}
+{{ if $.Values.grafanaDashboard.grafanaOperator.enabled -}}
+{{- range $path, $fileContents := $files }}
+{{- $dashboardName := regexReplaceAll "(^.*/)(.*)\\.json$" $path "${2}" | lower }}
+---
+apiVersion: grafana.integreatly.org/v1beta1
+kind: GrafanaDashboard
+metadata:
+  labels:
+    {{- include "dragonfly-operator.labels" $ | nindent 4 }}
+    app.kubernetes.io/component: dashboard
+  name: {{ printf "dragonfly-operator-%s" $dashboardName | trunc 63 | trimSuffix "-" }}
+spec:
+  allowCrossNamespaceImport: {{ $.Values.grafanaDashboard.grafanaOperator.allowCrossNamespaceImport }}
+  folder: {{ $.Values.grafanaDashboard.folder }}
+  instanceSelector:
+    matchLabels:
+      {{- toYaml $.Values.grafanaDashboard.grafanaOperator.matchLabels | nindent 6 }}
+  configMapRef:
+    name: {{ printf "dashboard-dragonfly-operator-%s" $dashboardName | trunc 63 | trimSuffix "-" }}
+    key: {{ $dashboardName }}.json
+{{- end }}
+{{- end }}
+{{- end }}
+{{- end }}

charts/dragonfly-operator/values.yaml

@@ -126,7 +126,6 @@ manager:
 #                values:
 #                  - linux
 
-
 serviceMonitor:
   # When set true then use a ServiceMonitor to configure scraping
   enabled: false
@@ -147,4 +146,20 @@ serviceMonitor:
   #   - sourceLabels: [dbinstance_identifier]
   #     action: replace
   #     replacement: mydbname
-  #     targetLabel: dbname
+  #     targetLabel: dbname
+
+grafanaDashboard:
+  enabled: false
+  folder: database
+  # -- Grafana dashboard configmap annotations.
+  annotations:
+    name: grafana_folder
+  # -- Grafana dashboard configmap labels
+  labels:
+    name: grafana_dashboard
+  grafanaOperator:
+    enabled: false
+    allowCrossNamespaceImport: true
+    # -- Selected labels for Grafana instance
+    matchLabels:
+      dashboards: grafana